Importance

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Abstract

Disclosed is a navigation device comprising a processor, memory, and a display. The processor may store a map, minimum and maximum cross track error values, and safety conditions in the memory. The processor may receive a user-inputted route and control display of the route on the map such that if the route is within the safety conditions at a maximum width, the route is displayed in a first display mode. If at least a portion of the route at the maximum width is not within the safety conditions, the route width is reduced, and if the route is within the safety conditions at the reduced width, the route is displayed in the first display mode at the reduced width, but if the route is not within the safety conditions at a minimum width, the route is displayed in a second display mode at the minimum width.

First Claim